Test auto/LB-GWR+R-Dd

LISA auto/LB-GWR+R-Dd
(*
 * Result: Sometimes
 * P0 GWR: Never->Sometimes: Power rel-acq does not provide write-to-read global transitivity
 *)
{
 0:r3=v0; x1=y1;
}
 P0               | P1             | P2            ;
 w[once] u0 3     | r[deref] r1 x1 | w[once] v0 1  ;
 w[release] x1 r3 | r[once] r2 r1  | f[mb]         ;
                  |                | r[once] r2 u0 ;
Observed
    2:r2=0; 1:r2=0; 1:r1=v0;